BEGIN {
    FS=",";    
    OFS=",";
    # variable definition
    string1="Audio";
    string2="Vidio";
    numberstring="100";
    string3=string1 string2;
    print "Concatenate string is: " string3; # output AudioVidio
    numberstring=numberstring+1;
    print "string to number: " numberstring # output 101
}
